[info procs Test] {}] {source } # # Some pre-build keyed lists to test with. keyB1 } 0 {valueB1} Test keylist {keylget tests} { set keyedlist $list2. If {} is specified for retvar, the value is not returned, allowing the Tcl programmer to determine if a key is present in a keyed list without setting a variable as a. The procedure to add a record is called like this: Db_Insert keylist datablob The datablob might be a name, value list suitable for passing to array set, or simply a .

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The keyed list commands are part of the TclX extension package. These element pairs are stored as lists themselves, where the key is the first element of the list, and the value is the second. That installs the current version of a lot of packages, TclX among them.

It could easily be written to work in 8. You may well need to do it in an elevated command shell on Windows, or to prefix with sudo on OSX. This rcl an example of a keyed list:.

Lists and Keyed Lists

By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Oh yeah, I’m trying to turn sfm into a pure Tcl application.


So, you could reference nested keys in a list with list1.

You can get the same result this way requires Tcl 8. Other advantages include thread safety, and a significant difference in performance. By default the key is a simple string, and anything is legal as a key. Here’s a little implementation of keyed lists.

If you’re using Debian or a derivative of it you will probably do: SS 28Sep — Probably people interested in keyed lists may be interested in alists for Tcl.

Where can I upload the code for comments? If you’re using Debian or a derivative of it you will probably do:. In order to get them to be present in your script, you have to issue the following command which will arrange for the relevant shared libraries to be loaded and scripts to be sourced. The format’s different, but the capabilities are similar. keyist

Donal Fellows k 15 Email Required, but never shown. With records there is just one master copy of the field names, and thereafter each record of that same type only needs the data.

As there are many possible distributions, or you could build it from source yourself, you’ll need to specify carefully what is your platform and setup if tvl isn’t one of the ones I’ve listed above. All keyed list management commands take the name of the variable containing the keyed list as an argument i. DC — Though this code has the ability to nest lists and retrieve nested keys within lists, it doesn’t support the TclX ability to references them via a dot.


From the TclX man page, you can read: Not a problem when you have dozens of records, big problem when you have thousands.

how to set a keyed list in tcl? – Stack Overflow

There is no limit to the recursive depth of subfields, allowing one to build complex data structures. Is there anyone in the community who would like to create a wiki page that describes how keyylist would modify a program using Tclx’s keyed lists to use 8. Rakesh Lyf Iz Jrny 16 8. I didn’t really bother with that code. Larry Keylit One problem I have with both dicts and keyed lists is that each one drags around its own copy of the field names. Sign up using Email and Password. I think this is much superior he said, humbly: I have written a code to get all the elements.

The way you install the extension package will depend on what distribution of Tcl you are using. For TclX documentation, this seems to be a good place to start.